iOS Developer

Required Skills: Advanced Flutter & Dart Expertise, Scalable Mobile Architecture Design, Performance Optimization & Profiling, OTT & Media App Engineering, Code Quality, Leadership & Cross-Functional Collaboration

Criteria:

• 6+ years of total software development experience with minimum 3+ years in Flutter
• Product-based company experience is mandatory (B2C scale preferred)
• Proven ability to own end-to-end Flutter mobile architecture for high-scale apps
• Strong expertise in Dart, Flutter SDK internals, and advanced state management (Bloc / Riverpod / Provider)
• Hands-on experience with platform channels and native integrations (Android & iOS)
• Deep knowledge of performance optimization: app startup time, FPS, memory leaks, widget rebuilds, rendering pipeline
• Experience with profiling tools (Dart DevTools, Android Profiler, Xcode Instruments)
• Strong skills in offline-first architecture, caching layers, and API integrations
• Ability to optimize video playback, downloads, DRM, and OTT workflows
• Strong command of clean code, SOLID principles, and scalable mobile system design
• Experience reviewing code and mentoring engineers (Senior IC role)

Description

Role Overview

We are looking for an experienced Flutter SDE III who can take complete ownership of architecture, performance optimization, and app scalability for our OTT mobile applications. This is a senior individual contributor role requiring deep technical expertise and the ability to influence design decisions at a product level.

Key Responsibilities

1. Architecture & Design (High-Impact IC Role)

• Own the end-to-end architecture of company’s Flutter mobile applications.

• Design scalable, modular, testable app ecosystems aligned with OTT-specific performance constraints.

• Lead decisions around state management, navigation hierarchy, API structure, offline capabilities, and security.

2. Performance & Device Optimization

• Diagnose and resolve mobile performance bottlenecks, including:

  o App startup time, FPS drops, memory leaks.

  o Heating issues, over-rendering, and expensive widget rebuilds.

  o Battery optimization, efficient network calls, caching strategy.

• Run in-depth profiling using tools like Dart DevTools, Android Profiler, and Xcode Instruments.

3. OTT-Specific Engineering

• Optimize video playback workflows for low-latency streaming.

• Implement efficient background processes for downloads, DRM, content sync, and push notifications.

4. Product & User Experience Ownership

• Collaborate closely with Product, Backend, and Video Engineering teams.

• Convert business/product requirements into high-performance technical solutions.

• Ensure UI/UX consistency across platforms while maintaining performance budgets.

5. Code Quality & Leadership

• Write clean, extensible, and maintainable code with strong adherence to SOLID and reactive programming principles.

• Review code for mid-level and junior engineers; act as a mentor across teams.

• Establish engineering standards, internal frameworks, and reusable components for long-term scalability.

Required Skills & Experience

Technical Must-Haves

• 6+ years of total experience with 3+ years in Flutter for large-scale products.

• Mandatory product-based company background (B2C scale preferred).

• Strong expertise in:

  o Dart, Flutter SDK internals

  o Bloc, Riverpod, Provider, or other state management approaches

  o Custom animations, rendering pipeline, shader-based optimization

  o Platform channels (Android/iOS) and native integrations

  o API integration, caching layers, offline-first architecture

• Strong understanding of mobile system design, scalable architecture, and low-level performance engineering.

Good to Have

• Experience with video streaming apps, OTT platforms, or media-heavy applications.

• Understanding of analytics frameworks (Firebase, Segment, Mixpanel).

• Exposure to CI/CD pipelines, automated testing, and fastlane.

Personality & Mindset

• Product thinking, not just feature-building.

• Ownership-driven with strong ability to take strategic technical decisions.

• Comfortable working in a fast-paced 0→1 and scale-up environment.

Why Join company?

• Work on a high-growth OTT app with millions of users.

• Opportunity to own the core mobile experience end-to-end.

• Build impact-heavy features at scale with a lean, highly skilled engineering team.

Qualifications:

• 10+ years native mobile development (iOS Swift + Android Kotlin)

• Proven experience building mission-critical, offline-first applications

• Deep understanding of mobile architecture patterns (MVVM, Clean Architecture)

• Expert-level API integration and data synchronization strategies

• Experience with emergency services, healthcare, or field operations software (preferred)

• Strong debugging, performance optimization, and memory management skills

• Demonstrated leadership in establishing mobile development best practices

TECHNICAL EXPERTISE:

• iOS: Swift 5.x, SwiftUI/UIKit, CoreData, CoreLocation, Background Tasks

• Android: Kotlin, Jetpack Compose, Room, WorkManager, Location Services

• Tools: Xcode, Android Studio, Git, Figma, Firebase, TestFlight/Play Console

• CI/CD: Fastlane, GitHub Actions, or similar automation tools

• APIs: RESTful services, JSON parsing, authentication/authorization

• Testing: XCTest, Espresso, automated UI testing frameworks

Responsibilities:

CORE RESPONSIBILITIES:

• Architect mobile applications for First Due's emergency response platform serving Fire and

EMS agencies nationwide

• Lead mobile development initiatives for the Hyderabad development center

• Design offline-first architectures ensuring reliability in low-connectivity emergency

scenarios

• Collaborate with cross-functional teams across US and India time zones

• Establish mobile CI/CD pipelines, coding standards, and quality assurance processes

• Mentor developers on mobile best practices and First Due's technology stack

• Drive sprint planning, velocity tracking, and technical roadmap for mobile development

• Ensure HIPAA compliance and data security for patient care reporting features

Work Location: Hyderabad, India

Work mode: Work From Office

• Design and Build advanced applications for the Android.
• Work with outside data sources and Rest API's
• Worked on MVVM architecture, third party libraries etc.
• Experience with Kotlin, Rxjava.

Job Description:-

• Min 1 year or more of iOS App development experience.
• Proficient with Objective C and Swift
• Experience with iOS frameworks.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Deep understanding of design patterns.
• Knowledge of using Cocoapods, Push Notifications, Payment Gateway and other third party SDKs and libraries.
• Location Tracking and Custom UI.
• Understanding of XML and JSON web services.
• Must have Publish at-least 1 iOS Application on AppStore.

Responsibilities and Duties:-

1. Design and build advanced applications for the iOS platform and follow clean coding practices.
2. Collaborate with backend team to define, design, and ship new features.
3. Understand & Implement Design patterns / Industry best practices
4. Work on bug fixing and improving application performance.
5. Write reusable codes adhering to SOLID principles.
6. Use profiling tools to optimize app performance.
7. Write algorithmic efficient codes.
8. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Required Experience, Skills and Qualifications:-

1. Bachelor's (Required)
2. Programming Languages needed:

• Objective-C (Preferred)
• Swift (Preferred)

COVID-19 precautions:-

• Remote interview process
• Social distancing guidelines in place
• Sanitizing, disinfecting, or cleaning procedures in place, Mask is compulsory, Proper Sanitization, Safe Distance is followed at the office.

Job Type: Full-time

Salary:     ₹Negotiable

Schedule:  Day shift

• Proven software development experience and iOS skills development
• Proven working experience in iOS app development and
• Have published at least one original iOS app
• Experience with iOS SDK
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Experienced in SWIFT Language

• Design and build advanced applications for the iOS platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency